How many miles when your WP failed?
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11-24-2012, 04:31 PM
Join Date: Sep 2005
Location: MTL, Canada
On a 2006 or 335i, I would change it preventively. The water pump design was changed IIRC. Also heat seems to be a contributing factor in the case of the 335i.
I wouldn't do it on a 2007+ N52. I hope not to regret it! I check monthly my codes...
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